The general rule for lamb is, for every kilogram of weight, cook for an hour at 190 - 200 degrees Celsius, depending on the efficiency of your oven, or 180 degrees for a fan-f â¦ orced oven. Thus, a 2kg leg of lamb will take two hours.ow long it takes to cook a leg of lamb depends on how you well you  like the meat cooked. If you like it rare, it takes about 15  minutes per pound, if you like it medium i â¦ t takes about 25 minutes  per pound, and 30 minutes for well done. Answered.
Since the Girl Scouts of the USA began allowing their young female members to sell the iconic cookies digitally for the first time last December, 2.5 million boxes, or about $10 million worth, of the treats sold online in 2015.
The Thanks-a-lot shortbread cookie dipped in rich fudge may make you think of a Milano, and calorie-wise, they're similar, though a Thanks-a-lot is more generous, with 15 more calories. And nothing on the Girl Scout cookie menu really compares to a Nilla Wafer, which ranks low in calories among popular cookies, at 17.5 calories per wafer. Another nutritional note of interest: The Thin Mint, Peanut Butter Patties, Lemonade and Thanks-a-lot cookies are vegan, and the Toffee-tastic (made with rice flour) and Trios cookies (made with gluten free whole grain oats) are gluten-free.